Heat producing and distributing element



C. E. JOHNSTON AND A. J. JORGENSON- HEAT PRODUCING AND DISTRIBUTINGELEMENT. APPLICATION FILED APR. 28, I920.

1,383,211 PatentedJune 28, 1921.

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APPLICATION FILED APR.28| I920.

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CHARLES E. JOHNSTON AND ANDREW JAVER JORGENSON, OF VANCOUVER, BRITISHCOLUMBIA, CANADA. Y

' HEAT PRODUCING AND DISTRIBUTING- ELEMENT.

Specification of Letters Patent.

Patented June 28, 1921.

Application filed April 28, 1920. Serial No. 377,348.

To all whom it may concern:

Be it known that we, CHARLES E. JOHN- STON and ANDREW J. J oReENsoN,citizens of Canada, residing at Vancouver, in the Province of BritishColumbia, Dominion of Canada, have invented certain new and usefulImprovements in Heat Producing and Distributing Elements, of which thefollowing is a specification, reference being had to the accompanyingdrawings.

This invention relates to certain improvements in heat producing anddistributing elements, and it is an object of the invention to provide anovel and improved element of this general character embodying meanswhereby the maximum of heat is communicated to circulating air.

It is also an object of the invention to provide a novel and improvedelement of.

this general character wherein the heat is initially producedelectrically and transmitted to a fluid and wherein theheat radiatingfrom the fluidserves to properly heat air in circulation. v

An additional object of the invention. is to provide a novel andimproved element of this general character embodying a water containeror boiler mounted upon a base in which is arranged an. electricalheating agency for the water within. the container or boiler, togtherwith a casing surrounding the container or boiler, afiording a chamberthrough which air circulates and from which chamber leads suitabledistributing means for the heated air.

The invention consists in the details of construction andin. thecombination and arrangement of the several parts of our improvedheatproducing and distributing element whereby certain important advantagesare attained and the device rendered simpler,

less expensive and otherwise more convenient and advantageous for use,as will be hereinafter more fully set forth. 1

The novel features of our invention will hereinafter be definitelyclaimed.

Inorder that our invention may be the better understood, we will nowproceed to de-' scribe the same with reference to the accompanyingdrawings, wherein:

Figure 1 is a view partly in section' and partly in elevationillustrating the heat producing and distributing element constructed inaccordance with invention;

an embodiment of our.

Fig. 2 is a transverse sectional view taken through the lower portion ofthe structure,v

in top plan;

Fig. 3 is an enlarged fragmentary view partly in section and partly inelevation, illustrating in detail a mounting for a heat'-' ing element,a coacting resistance coil being omitted; and

vFig. 4c is a fragmentary view in cross section of the structureillustrated in Fig.

As disclosed in the accompanying drawings, B denotes a cylindrical baseof noninfiammable material and upon which is mounted a boiler orcontainer C having its heads concave-convex with the convex facesupwardly disposed. The boiler or container C is of a diameter slightlyin excess of the diameter of the base B and is also made from a suitablenon-inflammable material. We also find it of advantage to interposebetween the boiler or container C and the upper edge of the base B apacking 1 of material non-conductive of electricity.

Arranged within the base B is a floor F, preferably of fire brick. p

Surrounding the base 13 and the boiler or container 0 concentric theretobut spaced therefrom is a casing or shell S having applied to itsopposite faces the laminations 2 of asbestos or other heat resistingmaterial. Mounted upon the upper endof theca sing or shell S is a hood11 of a conventional type, affording therein a hot air chamber A.Leading from the hood H and in communication with the air chamber A arethe hot air distributing pipes P.

Disposed around the boiler or container G is a spirally arranged baffle3 extending from the bottom of said boiler or container G to the topthereof. The battle 3 bridges the space between the boiler or containerC and the casing or shell Sand said baffle may be integral with the wallof'a boiler or container C, may be riveted or welded thereto or may beheld in applied position by the pressure of the casing or shell Sthereon. The specific means employed, how ever, forms no particular partof our present invention. The boiler or container G is also adapted tobe connected to the base B in any desired manner, as by the straps l, orin any other manner which may be employed with convenience and facilityto assure a perfect contact of the base B and the boiler or container Cwith the interposed packing or gasket 1.

Communicating within the lower portion of the casing or shell S and at apoint below the boiler or container C are the pipes 5 and 6, the pipe 5constituting a cold air intake from the outside of the buildingstructure and the pipe 6 an air return from the inside of the buildingstructure. The container or boiler C is adapted to hold a desiredquantity of water which is fed therein through the filling tube orinjector 7 leading from said boiler or container at a predeterminedpoint and extending exteriorly of the casing or shell S. Also insuitable connection with the boiler or container C is a water gage (Jrarranged exteriorly of the casing or shell S.

V denotes a safety valve in communication with the boiler or container Cthrough the top head thereof and extending exteriorly through the hoodH. I denotes an indicator or similar gage arranged exterior-1y of thehood H and also in communication with the boiler or container C throughthe top head thereof.

Resting upon the flooring F is a pair of angle irons 8' connected by themetallic spacing strips 9. Secured to the vertical flange 8 of each ofthe angle irons 8 is the lower marginal portion of an elongated spacerplate 10, having its flat faces vertically disposed. The upper marginalportion of the plate 10 is provided with a series of longitudinallyspaced notches or recesses 11. Each recess or notch 11 of one of theplates 10 is in alinement with a similar recess or notch in the secondplate and seating within each pair of alining recesses or notches 11 isa bar X. Each bar X comprises two flat strips 12, of non-inflammablematerial, having interposed therebetween at their opposite ends thespacing plates 14 of similar material and said strips and plates aremaintained in assembled relation through the instrumentality of the-clamping bolts 15. Around each of the bars X is suitably wound aresistance coil R in suitable connection with a source of electricalenergy. As this connection forms no particular part of our presentinvention, a detailed description and illustration thereof is believedto be unnecessary although it is to be mentioned that it is preferredthat each coil have a separate controlling switch and also to have athermostatic device whereby an automatic control may be had forregulating the heat generated by the several resistance coils R.

The base B is provided in a wall with an opening 16 affording meanswhereby access may be had therein and said opening 16 is normally sealedby the door 17. The casing or shell S is also provided with an opening18 adjacent the opening 16 and which opening is also normally closed orsealed by the door 19. The opening 18 is so positioned as to permitready access to the door 17 when it is desired to have access within thebase B.

The heat given off by the resistance coils serves to bring the waterwithin the boiler or container O to a boiling point and the radiationtherefrom heats the air entering within the casing or shell S at thebottom thereof and passin in a tortuous or spiral path around the boileror container C. This spiral or tortuous path of travel of the air causesthe air to receive a maximum of heat before entering the chamber A anddis tributing therefrom through the pipes P.

From the foregoing description, it is thought to be obvious that a heatproducing and distributing element constructed in accordance with ourinvention is particularly well adapted for use by reason of theconvenience and facility with which it may be assembled and operated,and it will also be obvious that our invention is susceptible of somechange-and modification without departing from the principles and spiritthereof, and for this reason we do not wish to be understood as limitingourselves to the precise arrangement and formation of the several partsherein shown in carrying out our invention in practice except ashereinafter claimed.

' lVe claim 1. A device of the class described comprising, incombination, a hollow base, a boiler mounted thereon, a casingsurrounding the base and boiler and spaced therefrom, a hood mountedupon the casing and overlying the boiler, said hood having distributingmeans in communication therewith, and an elecfirical heating mediumarranged within the ase.

2. A device of the class described comprising, in combination, a hollowbase, a boiler mounted thereon, a casing surrounding the base and boilerand spaced therefrom, a hood mounted upon the casing and overlying theboiler, said hood having distributing means in communication therewith,an electrical heating medium arranged within the base, and a spiralbafile surrounding the boiler and bridging the space between the boilerand the casing.

3. A device of the class described comprising, in combination, a hollowbase, a boiler mounted thereon, a casing surroundin the base and boilerand spaced therefrom, a 00d mounted upon the casing and overlying theboiler, said hood having distributing means in communication therewith,and an electrical heating medium arranged within the base, the casing ata point below the boiler being provided with an air inlet.

4. A device of the class described comprising, in combination, a hollowbase, a boiler mounted thereon, a casing surrounding the base and boilerand spaced therefrom, ahood mounted upon the casing and overlying theboiler, said hood having distributin means in communication therewith,an e ectrical heating medium arranged within the base, and a fillingdevice in communication with the boiler and extending exteriorly of thecasing.

5. A device of the class described comprising, in combination, a hollowbase, a boiler mounted thereon, a casing surrounding the base and boilerand spaced therefrom, a hood mounted upon the casing and overlying theboiler, said hood having distributing means in communication therewith,an electrical heating medium arranged within the base,

and a water gage arranged exteriorly of the casing and in communicationwith the boiler.

6. A device of the character described comprising, in combination, ahollow base, a boiler mounted thereon, and an electrical heating meansarranged within the base, said means comprising a pair of upstandingplates, bars supported by said plates, and resistance coils extendingaround the bars.

7. A device of the character described comprising, in combination, ahollow base, a boiler mounted thereon, a casing surrounding the boilerand base and provided with distributing means, an electrical heatingmeans arranged within the base, said means embodying a pair ofvertically disposed plates provided with notches in the upper marginalportions thereof, bars seating within said notches and bridging thespace between the plates, and resistance coils disposed around the bars.

8. A device of the character described comprising, in combination, ahollow base, a boiler mounted thereon, a casing surrounding the boilerand base and provided with distributing means, an electrical heatingmeans arranged within the base, said means embodying a pair ofvertically disposed plates provided with notches in the upper marginalportions thereof, bars seating within said'notches and bridging thespace between the plates, resistance coils disposed around the bars,each of said bars comprising apair of spaced strips, plates interposedbetween the opposite end portions of the strips for holding the same inspaced relation, and tie members for holding the strips and plates inassembled relation.

In testimony whereof we hereunto aflix our si atures.

HARLES E. J OHNSTON. ANDREW JAVER JORGEN'SON.

